a. Process Gas Absorber (T = 69 °C; P = 53 barg) |
Parameter |
Yin |
Yout |
NOG |
Z |
HOG |
KOG.a |
Carrying capacity |
Unit |
Mole fraction |
Mole fraction |
Transfer units |
m |
m |
g-mol/h.m2.Pa |
kmol /kmol carbonate solution |
H2S |
0.0316 |
0.000426 |
4.34 |
13.39 |
3.09 |
0.393 |
0.00748 |
CO2 |
0.0418 |
0.000448 |
4.53 |
13.39 |
2.95 |
0.410 |
0.00992 |
|
b. Utility Gas Absorber (T = 69°C; P = 15.45 barg) |
Parameter |
Yin |
Yout |
NOG |
Z |
HOG |
KOG.a |
Carrying capacity |
Unit |
Mole fraction |
Mole fraction |
Transfer units |
m |
m |
g-mol/h.m2.Pa |
kmol /kmol carbonate solution |
H2S |
0.0222 |
7.220E-05 |
5.75 |
19.48 |
3.39 |
0.393 |
0.00573* |
CO2 |
0.0367 |
9.350E-05 |
6.01 |
19.48 |
3.24 |
0.410 |
0.00949** |
* 130.42% excess capacity based on PGA removal efficiency; ** 104.57% excess capacity based on PGA removal efficiency. |
Table 3: Mass Transfer Parameters and Carrying Capacity of PGA and UGA of Trains 1 and 2. |